[1][2] In 2016, the company had over 50 million internet, TV, and phone customers in Western Europe, Israel, the United States (where it formerly operated) and the Caribbean.

In March 2014, it acquired SFR, France's second-largest mobile phone and Internet services company, from Vivendi.

[13] On 17 September 2015, it was announced that Altice would acquire Cablevision, a Bethpage, Long Island based cable provider for US$17.7 billion, including debt.

[10][14] In October 2015, it was announced that backing the Altice purchase of Cablevision, were private equity firm BC Partners and CPPIB.

[20] In September 2020, Drahi put on an offer of €2.5 billion to buy minority shareholders of Altice Europe and secure control of the company.

[28][29] Altice has been listed on the database in light of its involvement in activities related to "the provision of services and utilities supporting the maintenance and existence of settlements".

[30][31][32] On 5 July 2021, Norway's largest pension fund KLP said it would divest from Altice together with 15 other business entities implicated in the UN report for their links to Israeli settlements in the occupied West Bank.